Reduced JSON buffer by 1k.

Increased max RAM FX usage on ESP32 to 20k.
Added relay On handling on realtime data if Off (@JDTSmith).
Added UI refreshing via websockets (@korkbaum).

wled00/data/index.js

@@ -210,6 +210,12 @@ function onLoad()
 		sl.addEventListener('touchstart', toggleBubble);
 		sl.addEventListener('touchend', toggleBubble);
 	}
+
+	// Creatte UI update WS handler
+	var mySocket = new WebSocket('ws://'+loc?locip:window.location.hostname+'/ws');
+	mySocket.onmessage = function(event) {
+		requestJson({'v':true},false);
+	}
 }
 
 function updateTablinks(tabI)
@@ -960,8 +966,10 @@ function requestJson(command, rinfo = true, verbose = true, callback = null)
 {
 	d.getElementById('connind').style.backgroundColor = "#a90";
 	lastUpdate = new Date();
+/*
 	if (refreshTimer) clearTimeout(refreshTimer);
 	refreshTimer = setTimeout(function(){requestJson({'v':true},false);},15000);
+*/
 	if (!jsonTimeout) jsonTimeout = setTimeout(showErrorToast, 3000);
 	var req = null;
 	var e1 = d.getElementById('fxlist');